Apparatus and method for manufacturing fine powder by using mixed gas spray

A technology for mixing gas and fine powder, which is applied in the field of raw material powder manufacturing equipment for mixed gas injection, can solve problems such as theoretical difficulties, and achieve the effect of preventing oxidation and omitting the reduction process.

Inactive Publication Date: 2017-02-15
KOREA INST OF MASCH & MATERIALS
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the gas injection velocity above 900m / s has a practical critical point in common gas atomizer devices, so there are theoretical difficulties in producing metal powders below 10μm

Method used

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  • Apparatus and method for manufacturing fine powder by using mixed gas spray
  • Apparatus and method for manufacturing fine powder by using mixed gas spray
  • Apparatus and method for manufacturing fine powder by using mixed gas spray

Examples

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Embodiment Construction

[0052] best practice

[0053] Embodiments of the present invention will be described in detail below with reference to the accompanying drawings. First of all, it should be noted that in assigning reference signs to constituent elements in the respective drawings, the same constituent elements are given the same reference signs as much as possible even if they are displayed in different drawings. In addition, in describing the present invention, when it is judged that the specific description of the relevant known configuration or function is self-evident or likely to confuse the gist of the present invention to those skilled in the art, the detailed description may be omitted.

[0054] figure 2 It is a figure which shows the fine powder manufacturing apparatus of one Example of this invention.

[0055] if refer to figure 2 , The fine powder manufacturing device 100 may include a melting chamber 110 , a gas injection device 120 , an accommodating chamber 130 , a gauze 140...

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Abstract

Disclosed are an apparatus and method for manufacturing fine powder by using a mixed gas spray. A melting chamber melts a raw material, a formed raw material solvent is supplied, a mixed gas spraying device sprays a mixed gas of a gas and a solid powder onto the raw material solvent supplied from the melting chamber, and a raw material powder is formed thereby. A holding chamber is formed at the bottom of the melting chamber and holds the raw material powder, a screen is formed at the bottom of the holding chamber and filters raw material powder of a size greater than a determined size from the raw material powder, and a collecting chamber is formed at the bottom of the screen and collects finished fine raw material powder that has passed through the screen. Also, fine raw material powder is collected through a collecting chamber and a cyclone at the bottom of the melting chamber. In addition, with respect to the mixed gas spraying device, a mixed gas spraying cell generates a mixed gas in which the gas and the solid powder are mixed and sprays the mixed gas at the raw material solvent. Further, a gas heating cell supplies heated gas to the mixed gas spraying cell, and a solid powder heating cell supplies heated solid powder to the mixed gas spraying cell. Moreover, a gas storage stores gas to be supplied to the gas heating cell, and a solid powder storage stores solid powder to be supplied to the metal powder heating cell.

Description

technical field [0001] The present invention relates to a raw material powder manufacturing device and method using mixed gas injection. More specifically, it is a raw material powder production apparatus and method using mixed gas injection to form fine powder by injecting a mixed gas mixed with gas and solid powder onto a raw material melt in which raw materials are melted. Background technique [0002] Fine powders are made of metals into fine powders, and are used in various fields such as paints, painting tools, gold / silver printing inks, catalysts for the chemical industry, raw materials for fireworks, and metal reducing agents. [0003] Recently, fine powders such as soldering powders and soldering pastes are mainly used for soldering of electronic components, and the demand for them is gradually increasing. With the trend of miniaturization, multi-band, and high-frequency mobile communication equipment, high integration and miniaturization in the field of components...

Claims

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Application Information

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IPC IPC(8): B22F9/08B22F1/00
CPCB22F9/082B22F2009/0808B22F2009/084B22F2009/0888B22F1/00B22F9/08
Inventor 梁相先李东根李光昇
Owner KOREA INST OF MASCH & MATERIALS
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